Asymmetric hydroxyamination of oxindoles catalyzed by chiral bifunctional tertiary aminethiourea: construction of 3-amino-2-oxindoles with quaternary stereocenters
作者:Li-Na Jia、Jun Huang、Lin Peng、Liang-Liang Wang、Jian-Fei Bai、Fang Tian、Guang-Yun He、Xiao-Ying Xu、Li-Xin Wang
DOI:10.1039/c1ob06413d
日期:——
Chiral bifunctional tertiary amine thiourea was applied to catalyze the asymmetric hydroxyamination of 3-subsituted oxindoles with nitrosobenzene to construct 3-amino-2-oxindoles with quaternary stereocenters in good yields (up to 91%) and enantioselectivities (up to 90% ee).
应用手性双功能叔胺硫脲催化 3-取代吲哚与亚硝基苯的不对称羟基化反应,以良好的产率(高达 91%)和对映选择性(高达 90% ee)构建出具有四元立体中心的 3-氨基-2-吲哚。